19766630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 38513664

約数和(自身を除く): 18747034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 383, 397, 766, 794, 1915, 1985, 3830, 3970, 4979, 5161, 9958, 10322, 24895, 25805, 49790, 51610, 152051, 304102, 760255, 1520510, 1976663, 3953326, 9883315, 19766630]

約数ペア:

[(1, 19766630), (2, 9883315), (5, 3953326), (10, 1976663), (13, 1520510), (26, 760255), (65, 304102), (130, 152051), (383, 51610), (397, 49790), (766, 25805), (794, 24895), (1915, 10322), (1985, 9958), (3830, 5161), (3970, 4979)]